This great air conditioner was only slightly used when I purchased it in 2010 from a coworker. She purchased it new for her mother who passed away after several months. The model number is LW8010ER. It comes with the original manual and some fixtures. I will find the remote which I never used.
I used the air conditioner regularly in Maryland until 2018, but sporadically after moving to Oregon in June of 2018. My landlord installed a heat pump with air conditioning 2-3 years ago, so it has not been used since then.
I was very happy with this appliance. It cools well and its quiet. It cooled my medium sized living room plus the kitchen in Maryland and my large living room and kitchen in Oregon.
The User Manual says that it “is designed for installation in standard double-hung windows with actual opening widths from 22” to 36”. The upper and lower window sash must open sufficiently to allow a clear vertical opening of 13” from the bottom of the upper sash to the window stool.”
Here is the User Manual: https://www.lg.com/us/support/product/lg-LW8010ER.AWYAUSH?tab=1
This is a newer 8,000 BTU model that looks much like the one I’m selling: https://www.amazon.com/LG-LW8016ER-Window-Mounted-Conditioner-Control/dp/B01D3FOD0Q/ref=sr_1_6?sr=8-6